come about

US /kʌm əˈbaʊt/
UK /kʌm əˈbaʊt/
"come about" picture
1.

arriver, se produire

to happen or occur

:
How did the accident come about?
Comment l'accident est-il arrivé ?
It's still unclear how the changes will come about.
Il n'est pas encore clair comment les changements vont se produire.